1. Have you ever swim with dolphins?
Corrected: Have you ever **swum** with dolphins?
2. They never have been to England.
Corrected: They have **never** been to England.
3. Never you have ridden a horse.
Corrected: Have you ever ridden a horse?
4. Have she ever broken her phone?
Corrected: Has she ever broken her phone?
5. Stayed you ever in a five-star hotel?
Corrected: Have you ever stayed in a five-star hotel?
6. I'm happy to say I have ever lost my house keys.
Corrected: I'm happy to say I have lost my house keys.